Volkswagen New Beetle. Manual - part 1980

 

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Volkswagen New Beetle. Manual - part 1980

 

 

Diagnostic mode 6: Check test results of components that are not continuously monitored 

Function 

This diagnostic mode displays the test results of emission relevant components and systems which are not 
continuously monitored. 

The values of the individual test results must reach the specified value or must be within the min.- and max.-
limits. 

DIAGNOSTIC MODE 6: CHECK TEST RESULTS OF COMPONENTS NOT CONTINUOUSLY 
MONITORED
 

Test-ID 01: Catalytic converter 

Test requirements 

z

There must not be any DTCs stored in DTC memory. See DIAGNOSTIC MODE 3: CHECK DTC 
MEMORY
 .  

z

Coolant temperature must be at least 80° C. See DIAGNOSTIC MODE 1: CHECK MEASURED 
VALUES
 .  

Work procedure 

z

Read readiness code. See READ READINESS CODE .  

z

Let engine run at idle.  

z

Under address word 33, select "Diagnostic mode 6: Check test results of components that are not 
continuously monitored".  

z

Select the "Test-ID 01: Catalytic converter".  

z

Check specified values at idle.  

EVALUATION TEST-ID 01: CATALYTIC CONVERTER 

Test- 
ID

Component, System

Test

01:

Catalytic converter

See TEST-ID 01: CATALYTIC CONVERTER

03:

Secondary Air Injection (AIR) 

system

See Test-ID 03: Secondary Air Injection (AIR) 

system

05:

Tank ventilation system

See Test-ID 05: Tank ventilation system

Vehicles with engine code

AEG

AVH, AZG, 

BDC

Specified 

value:

Specified 

value:

min.

max.

min.

max.

Catalytic converter monitoring bank 1, aging 
value

 

 

 

 

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

z

End diagnosis and switch ignition off.  

If specified values are not obtained: 

z

Replace the front exhaust pipe with catalytic converter:  

z

Vehicles with engine code AEG. See item 13 in EXHAUST SYSTEM COMPONENTS, REMOVING 
AND INSTALLING
 .  

z

Vehicles with engine code AVH, AZG, BDC. See item 10 in EXHAUST MANIFOLD, FRONT 
EXHAUST PIPE WITH THREE WAY CATALYTIC CONVERTER (TWC) AND 
ATTACHMENTS (VEHICLES WITH ENGINE CODE AVH, AZG, BDC)
 .  

Continuation for all vehicles 

z

Erase DTC memory of Engine Control Module (ECM). See DIAGNOSTIC MODE 4: RESET/ERASE 
DIAGNOSTIC DATA
 .  

z

Generate readiness code. See READINESS CODE, GENERATING .  

Test-ID 03: Secondary Air Injection (AIR) system 

Test requirements 

z

There must not be any DTCs stored in DTC memory. See DIAGNOSTIC MODE 3: CHECK DTC 
MEMORY
 .  

Work procedure 

z

Read readiness code. See READ READINESS CODE .  

z

Let engine run at idle.  

z

Under address word 33, select "Diagnostic mode 6: Check test results of components that are not 
continuously monitored".  

z

Up to model year 1999  

-

2.00

-

-

z

Up to model year 2000  

-

0.35

-

-

z

From model year 2001  

-

-

0.90

-

z

From model year 2003  

-

-

0.90

-

Catalytic converter monitoring bank 1, aging 
value, short test

 

 

 

 

z

Up to model year 1999  

-

2.00

-

-

z

Up to model year 2000  

-

0.44

-

-

z

From model year 2001  

-

-

0.80

-

z

From model year 2003  

-

-

0.80

-

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

z

Select the "Test-ID 03: Secondary Air Injection (AIR) system"  

z

Check specified values at idle.  

EVALUATION TEST-ID 03: SECONDARY AIR INJECTION (AIR) SYSTEM 

z

End diagnosis and switch ignition off.  

If the specified values are not reached: 

z

Check secondary air system for proper seal. See SECONDARY AIR INJECTION (AIR) SYSTEM, 
CHECKING FOR PROPER SEAL
 .  

z

Check Secondary Air Injection (AIR) Pump Motor -V101-. See SECONDARY AIR INJECTION 
(AIR) PUMP MOTOR, CHECKING
 .  

z

Check combination valve. See COMBINATION VALVE, CHECKING .  

z

Erase DTC memory of Engine Control Module (ECM). See DIAGNOSTIC MODE 4: RESET/ERASE 
DIAGNOSTIC DATA
 .  

z

Check Secondary Air Injection (AIR) Pump Motor -V101-. See SECONDARY AIR INJECTION 
(AIR) PUMP MOTOR, CHECKING
 .  

z

Erase DTC memory of Engine Control Module (ECM). See DIAGNOSTIC MODE 4: RESET/ERASE 
DIAGNOSTIC DATA
 .  

z

Generate readiness code. See READINESS CODE, GENERATING .  

Test-ID 05: Tank ventilation system 

Test requirements 

z

There must not be any DTCs stored in DTC memory. See DIAGNOSTIC MODE 3: CHECK DTC 
MEMORY
 .  

z

Coolant temperature must be 80 to 110 °C. See DIAGNOSTIC MODE 1: CHECK MEASURED 
VALUES
 .  

Work procedure 

z

Read readiness code. See READ READINESS CODE 

Vehicles with 
engine code

AEG

AVH

AZG, 

BDC

Specified 

value:

Specified 

value:

Specified 

value:

min.

max.

min.

max.

min.

max.

reduced secondary 
air mass bank 1

32.00

-

0.20

-

0.35

-

very small 
secondary air mass 
bank 1, short test

-

-

0.00

-

0.60

-

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

z

Let engine run at idle.  

z

Under address word 33, select "Diagnostic mode 6: Check test results of components that are not 
continuously monitored".  

z

Select the "Test-ID 05: Tank ventilation system".  

z

Check specified values at idle.  

EVALUATION TEST-ID 05: TANK VENTILATION SYSTEM (1 Of 2) 

EVALUATION TEST-ID 05: TANK VENTILATION SYSTEM (2 Of 2) 

If the specified values are exceeded: 

z

EVAP canister system, checking for proper seal. See EVAP CANISTER SYSTEM, CHECKING FOR 

Vehicles with engine code

AEG

AVH, AZG, 

BDC

Specified 

value:

Specified 

value:

Evaporative Emission (EVAP) Canister Purge 
Regulator Valve -N80-

min.

max.

min.

max.

Passive test (can only check OK)

-

-

0,1484

-

Active test: Deviation of oxygen sensor control in 
direction "lean" (can only check OK), short test

-

246,000

0,070

-

Active test: Deviation of oxygen sensor control in 
direction "rich" (can only check OK), short test

10,000

-

-0,070

-

Active test: Air balance at idle OK, also short test

-

-

32,900

-

Active test: Air balance at idle not OK, also short test

-

-

32,900

-

Vehicles with 
engine code

AEG

AVH, AZG 

Up to model 

year 2002

AVH, AZG, 

BDC From 
model year 

2002

Specified 

value:

Specified 

value:

Specified 

value:

Tank seal

min.

max.

min.

max.

min.

max.

Large/small leak

-

-

1,90..0,95

-

1,90

-

Reed contact not 
closed

-

-

-

1,00

-

0,5

Reed contact 
does not open

-

-

-

25,00

-

30,00

Tank ventilation 
system not OK 
during initial 
flush

-

-

-

-

0

-

Pinhole leak

-

-

1,90..0,00

-

5,8

-

 

2003 Volkswagen New Beetle GLS 

1998-2004 ENGINE PERFORMANCE On-Board Diagnostic (OBD), 2.0L Generic Scan Tool - New Beetle

  

 

 

 

 

 

 

 

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